Smart 40 Indirect Water Heater Manual

661A0300 - Rev B
2
T
T
1
4
3
5
6
Circulator
Zone 1
T
hermostat
z
one 1
H
oneywell
R
845A
R
elay
1
20
H
VAC
N
2
T
T
1
4
3
6
Circulator
Zone 2
Thermostat
zone 2
5
2
T
T
1
4
3
6
Water
Heater
Circulator
Water Heater
Thermostat
Snap-Set
5
1
2
C
Boiler
Thermostat
Terminals
Priority Relay
18
Typical Circulator Zoning
with Domestic Priority
2
T
T
1
4
3
5
6
Circulator
Z
one 1
T
hermostat
z
one 1
H
oneywell
R
845A
R
elay
1
20
H
VA C
N
2
T
T
1
4
3
6
Circulator
Zone 2
Thermostat
z
one 2
5
2
T
T
1
4
3
6
Water
Heater
Circulator
Water Heater
Thermostat
Snap-Set
5
1
2
C
High Vo l t a g e
Low Vo l t a g e
Boiler
Thermostat
Terminals
Typical Circulator Zoning
without Domestic Priority
Fig. 18: Fig. 19:
Installation - Wiring
Smart manual_Smart manual 10/29/14 10:00 AM Page 20